余额兑换钻石调整

application/api/controller/Money.php

@@ -961,7 +961,7 @@ class Money extends Common
             // 查询余额
             $userModel = new \app\common\model\User();
             $userInfo = $userModel->lock('lock in share mode')->find($userId);
-            if ($scoin > $userInfo["money"]) {
+            if ($exchangeMoney > $userInfo["money"]) {
                 throw new Exception("余额不足！");
             }